irreconcilable

irreconcilable
    adj 1: impossible to reconcile; "irreconcilable differences"
           [syn: {irreconcilable}, {unreconcilable}] [ant:
           {reconcilable}]
    

Irreconcilable \Ir*rec"on*ci`la*ble\ (?; 277), a. [Pref. ir- not
   + reconcilable: cf. F. irr['e]conciliable.]
   Not reconcilable; not able to be reconciled or brought into
   accord; implacable; incompatible; inconsistent; disagreeing;
   as, irreconcilable enemies, statements. --
   {Ir*rec"on*ci`la*ble*ness}, n. -- {Ir*rec"on*ci`la*bly}, adv.
   [1913 Webster]
    

143 Moby Thesaurus words for "irreconcilable":
      abnormal, absurd, adamant, adamantine, alienated, anomalous,
      assorted, at odds, at variance, avenging, bitter-ender, brawler,
      cast-iron, contrary, contrasted, contrasting, defendant, departing,
      deviating, deviative, diehard, different, differentiated,
      differing, disaccordant, disaffected, disagreeing, discordant,
      discrepant, discrete, discriminated, disjoined, disparate,
      disproportionate, disputant, dissentient, dissident, dissimilar,
      dissonant, distinct, distinguished, disunited, divergent,
      diverging, divers, diverse, diversified, divided, dour, estranged,
      firm, flinty, grim, grudgeful, hard, hard-core, heterogeneous,
      immovable, immutable, implacable, impliable, in disagreement,
      inaccordant, incoherent, incommensurable, incommensurate,
      incompatible, incongruent, incongruous, inconsequent, inconsistent,
      inconsonant, inelastic, inexorable, inflexible, inharmonious,
      intransigent, iron, last-ditcher, litigant, many, motley,
      multifarious, naysayer, negativist, noncooperator, objector,
      obstructionist, obstructive, opposer, oppositionist,
      out of proportion, oxymoronic, paradoxical, plaintiff, poles apart,
      poles asunder, protester, punitive, punitory, quarreler, rancorous,
      relentless, resister, retaliatory, revanchist, revengeful, rigid,
      rigorous, rock-ribbed, scrapper, self-contradictory, separate,
      separated, several, steely, stern, stiff, torn, unaffected,
      unalterable, unappeasable, unbending, unchangeable, uncompromising,
      unconformable, unequal, ungiving, unlike, unmoved, unrelenting,
      unyielding, variant, varied, variegated, various, varying,
      vengeful, vindicatory, vindictive, widely apart, worlds apart,
      wrangler